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CN112261551B - Sound production device - Google Patents

Sound production device Download PDF

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Publication number
CN112261551B
CN112261551B CN202011059034.XA CN202011059034A CN112261551B CN 112261551 B CN112261551 B CN 112261551B CN 202011059034 A CN202011059034 A CN 202011059034A CN 112261551 B CN112261551 B CN 112261551B
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China
Prior art keywords
magnetic
frame body
basin frame
positioning groove
positioning
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Application number
CN202011059034.XA
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Chinese (zh)
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CN112261551A (en
Inventor
宋威
肖波
令狐荣林
孔晨亮
章统
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Jiangsu Jicui Zhongyi Technology Industry Development Co ltd
AAC Microtech Changzhou Co Ltd
Science and Education City Branch of AAC New Energy Development Changzhou Co Ltd
Original Assignee
AAC Optoelectronic Changzhou Co Ltd
Science and Education City Branch of AAC New Energy Development Changzhou Co Ltd
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Application filed by AAC Optoelectronic Changzhou Co Ltd, Science and Education City Branch of AAC New Energy Development Changzhou Co Ltd filed Critical AAC Optoelectronic Changzhou Co Ltd
Priority to CN202011059034.XA priority Critical patent/CN112261551B/en
Priority to PCT/CN2020/129785 priority patent/WO2022068009A1/en
Publication of CN112261551A publication Critical patent/CN112261551A/en
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Publication of CN112261551B publication Critical patent/CN112261551B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The invention provides a sounding device, which comprises a basin frame, a vibrating diaphragm and a magnetic yoke, wherein the basin frame comprises a first basin frame and a second basin frame: the first frame comprises a first frame body supporting the vibrating diaphragm, a first positioning groove recessed from one side of the first frame body and first process notches formed on two opposite sides of the first positioning groove; the second frame comprises a second frame body, a second positioning groove formed by sinking one side of the second frame body and second process notches formed at two opposite sides of the bottom of the second positioning groove; the second basin frame body is sleeved on the first basin frame body, the second positioning groove and the first positioning groove are arranged in a staggered mode completely, the second basin frame body is enabled to cover the first process notch completely along the direction perpendicular to the vibration direction, and the first basin frame body is enabled to cover the second process notch completely along the direction perpendicular to the vibration direction. Compared with the related art, the sound production device has good reliability and excellent sound production performance.

Description

Sound production device
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of electroacoustic conversion, in particular to a sounding device applied to a portable electronic product.
[ background of the invention ]
The sound generating device is one of main components of a mobile terminal such as a mobile phone and the like, and is mainly used for converting an electric signal into a sound signal.
The sound production device in the related art comprises a basin frame, a vibration system and a magnetic circuit system, wherein the vibration system is respectively fixed on the basin frame, the magnetic circuit system is provided with a magnetic gap, and the magnetic circuit system comprises a magnetic yoke and a magnetic steel unit, the magnetic yoke is fixed on the basin frame, and the magnetic steel unit is fixed on the magnetic yoke and forms the magnetic gap. The basin frame, the vibration system and the magnetic circuit system jointly enclose a sound production inner cavity, and in order to improve the acoustic performance of the sound production device, the sound production device in the related art extends from one side of the magnetic yoke, which is far away from the vibrating diaphragm, to form a rear sound cavity for filling sound absorption particles; and for further increasing the sound production inner cavity space under the prerequisite that the big sound production device size is unchangeable, make basin frame by metal material to give way for the sound production inner cavity when protecting structural strength.
In the sound production device of correlation technique, the basin frame includes the basin frame body of fixed vibrating diaphragm, by the basin frame body keeps away from the constant head tank of the sunken formation in one side of vibrating diaphragm, the constant head tank is used for forming positioning assembly to the yoke to improve assembly efficiency and fixed strength, nevertheless make for metal material because of the basin frame, when the constant head tank shaping, because of the shaping technology problem can make the both sides formation technology breach of constant head tank, when the location portion card of yoke locates the constant head tank and forms the location fixed, when the sound granule is inhaled in the acoustic cavity canning after the assembly, the technology breach of constant head tank both sides makes to inhale the sound granule and gets into the sound production inner chamber from this, thereby influences sound production.
Therefore, there is a need to provide a new sound generation device to solve the above technical problems.
[ summary of the invention ]
The invention aims to provide a sound production device with good reliability and excellent sound production performance.
In order to achieve the above object, the present invention provides a sound generating device, which includes a frame, a vibration system respectively fixed to the frame, and a magnetic circuit system for driving the vibration system to vibrate and generate sound, wherein the vibration system includes a diaphragm fixed to the frame and a voice coil for driving the diaphragm to vibrate and generate sound, the magnetic circuit system includes a magnetic yoke fixed to one side of the frame away from the diaphragm and a magnetic steel unit having a magnetic gap and fixed to the magnetic yoke, the voice coil is inserted into the magnetic gap, the frame, the vibration system and the magnetic circuit system together form a sound generating cavity, and the frame includes a first frame and a second frame:
the first frame comprises a first frame body for supporting and fixing the vibrating diaphragm and a first positioning groove formed by sinking one end, close to the magnetic yoke, of the first frame body, and the two opposite ends of the groove bottom of the first positioning groove are sunk in the direction far away from the magnetic yoke to form a first process notch;
the second frame comprises a second frame body and a second positioning groove, the second frame body and the first frame body jointly support and fix the vibrating diaphragm, one end of the second frame body, which is close to the magnet yoke, is sunken to form the second positioning groove, and two opposite ends of the groove bottom of the second positioning groove are sunken in the direction far away from the magnet yoke to form a second process notch;
the second frame body is sleeved on one side, far away from the magnetic circuit system, of the first frame body, the second positioning groove and the first positioning groove are arranged in a completely staggered mode along the direction perpendicular to the vibration direction of the vibrating diaphragm, the second frame body completely covers the first process notch along the vibration direction perpendicular to the vibrating diaphragm, and the first frame body completely covers the second process notch along the direction perpendicular to the vibration direction;
the yoke includes the yoke body and by the yoke body respectively to two basin frame protrusion extended first location wall and second location wall, first location wall with first constant head tank cooperation just second location wall with second constant head tank cooperation location the basin frame with the relative position of yoke.
Preferably, one end of the first frame body close to the vibrating diaphragm is flush with one end of the second frame body close to the vibrating diaphragm.
Preferably, the position of the end, far away from the vibrating diaphragm, of the first frame body, corresponding to the second positioning groove is flush with the groove bottom of the second positioning groove.
Preferably, one end of the second frame body, which is far away from the vibrating diaphragm, corresponding to the first positioning groove completely covers the first positioning groove along a direction perpendicular to the vibration direction.
Preferably, the basin frame is the rectangle structure, first constant head tank includes two and is located respectively the relative both sides of first basin frame body, the second constant head tank includes two and is located respectively the relative both sides of second basin frame body, two first constant head tank and two the second constant head tank is located respectively the four sides of basin frame.
Preferably, the groove bottom of the first positioning groove is closer to the vibrating diaphragm than the groove bottom of the second positioning groove; the second positioning walls comprise two and are respectively formed by extending two opposite sides of the magnetic yoke body along the direction perpendicular to the vibration direction, and the first positioning walls comprise two and are respectively formed by bending the other two opposite sides of the magnetic yoke body towards the direction close to the vibration film.
Preferably, the diaphragm comprises a first annular folding ring part, second annular folding ring parts surrounding the first folding ring part and arranged at intervals, and an annular spherical top; the magnetic steel unit comprises main magnetic steel fixed on the magnetic yoke, auxiliary magnetic steel surrounding the main magnetic steel and forming the magnetic gap with the main magnetic steel at intervals, and a magnetic bowl which is covered on the main magnetic steel and is abutted and fixed on the auxiliary magnetic steel at the periphery; the outer periphery of the second flange part is fixed on the basin frame, and the inner periphery of the first flange part is fixed on one side of the magnetic bowl, which is far away from the auxiliary magnetic steel, so that the magnetic steel unit is partially exposed out of the vibrating diaphragm; the inner periphery of the top dome is connected with the outer periphery of the first folding ring portion, and the outer periphery of the top dome is connected with the inner periphery of the second folding ring.
Preferably, the vibration system further comprises a framework, one end of the framework is connected to the ball top, the other end of the framework extends into the magnetic gap, and the voice coil is fixed on the framework in a supporting mode.
Preferably, the magnetic circuit system further comprises a fixing ring, the fixing ring comprises an annular ring body sleeved on the periphery of the magnetic bowl, and a clamping wall bent and extended inwards from one end of the ring body far away from the magnetic yoke; the card wall is pressed and is located the magnetism bowl is kept away from one side of yoke, the internal periphery of first book ring is fixed in the ring body, the basin frame the vibrating diaphragm gu fixed ring the magnetism bowl and the yoke encloses jointly into the sound production inner chamber.
Preferably, the fixed ring further includes a reinforcing wall extending from one end of the ring body close to the magnetic yoke, the inner periphery of the first folding ring is bent and extended along the reinforcing wall to form an extending wall, and the extending wall is attached and fixed to the reinforcing wall.
Compared with the prior art, in the sounding device, the basin frame made of metal materials is designed to be of a double-basin-frame sleeving structure, the second basin frame body is sleeved on the first basin frame body, the second positioning groove and the first positioning groove are arranged in a completely staggered mode, the second basin frame body completely covers the first process notch along the vibration direction perpendicular to the vibrating diaphragm, and the first basin frame body completely covers the second process notch along the vibration direction perpendicular to the vibration direction.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic perspective view of a sound device according to the present invention;
FIG. 2 is an exploded perspective view of a sound device according to the present invention;
FIG. 3 is a schematic structural view of a frame of the sound device of the present invention;
FIG. 4 is an exploded view of the frame structure of the sound device of the present invention;
fig. 5 is a sectional view taken along line a-a in fig. 1.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a sound generating device 100, which includes a frame 1, a vibration system 2 and a magnetic circuit system 3. The vibration system 2 and the magnetic circuit system 3 are respectively fixed on the basin frame 1, and the vibration system 2 drives the magnetic circuit system 3 to vibrate and sound.
In this embodiment, the frame 1 is preferably made of a metal material, so that the volume of the sounding cavity 10 of the sounding device 100 can be effectively increased on the premise of the same external dimension, or the external dimension can be effectively reduced on the premise of the same volume of the sounding cavity.
The vibration system 2 comprises a diaphragm 21 fixed on the frame 1 and a voice coil 22 for driving the diaphragm 21 to vibrate and sound.
In this embodiment, the diaphragm 21 includes a first ring-shaped folding portion 211, a second ring-shaped folding portion 212 surrounding the first ring-shaped folding portion 211 and disposed at an interval, and a spherical top 213 in a ring shape. The inner circumference of the top ball 213 is connected to the outer circumference of the first flange 211, and the outer circumference of the top ball 213 is connected to the inner circumference of the second flange 212.
Preferably, in this embodiment, the vibration system 2 further includes a framework 23, one end of the framework 23 is connected to the dome 213, the other end of the framework extends into the magnetic gap 20, and the voice coil 22 is supported and fixed on the framework 23.
The magnetic circuit system 3 comprises a magnetic yoke 31 fixed on one side of the basin stand 1 far away from the diaphragm 21 and a magnetic steel unit 32 fixed on the magnetic yoke 31 and having a magnetic gap 20, and the voice coil 22 is inserted in the magnetic gap 20. The basin stand 1, the vibration system 2 and the magnetic circuit system 3 together enclose a sound production inner cavity 10.
In this embodiment, the frame 1 is a metal frame, and includes a first frame 11 and a second frame 12.
First basin frame 11 is including supporting fixedly first basin frame body 111 of vibrating diaphragm 21 and by first basin frame body 111 is close to the sunken first constant head tank 112 that forms of one end of yoke 31, the relative both ends in tank bottom of first constant head tank 112 are to keeping away from the sunken first technology breach 113 that forms of direction of yoke 31.
The second frame 12 comprises a second frame body 121 supporting and fixing the diaphragm 21 together with the first frame body 111, and a second positioning groove 122 formed by recessing one end of the second frame body 121 close to the magnetic yoke 31, wherein the two opposite ends of the groove bottom of the second positioning groove 122 are recessed in the direction away from the magnetic yoke 31 to form a second process gap 123.
The first positioning groove 112 and the second positioning groove 122 are used for positioning and fixing the magnetic yoke 31, so that on one hand, the positioning can be quickly performed, the assembly efficiency can be improved, on the other hand, the thickness of the sounding device along the vibration direction can be reduced, and the thinning of the sounding device 100 is facilitated.
The first process notch 113 and the second process notch 123 are formed by a molding process when the metal frame forms the first positioning groove 112 and the second positioning groove 122.
The second frame body 121 is sleeved on one side of the first frame body 111, which is far away from the magnetic circuit system 3, the second positioning groove 122 and the first positioning groove 112 are completely arranged in a staggered manner along the direction perpendicular to the vibration direction of the vibrating diaphragm 21, so that the second frame body 121 completely covers the first process notch 113 along the direction perpendicular to the vibration direction of the vibrating diaphragm 21, and the first frame body 111 completely covers the second process notch 123 along the direction perpendicular to the vibration direction 21.
So far, the combination of above-mentioned first basin frame 11 and second basin frame 12 makes the first technology breach 113 of basin frame 1 sheltered from by second basin frame body 121, second technology breach 123 is sheltered from by first basin frame body 111, thereby first basin frame 11 shelters from each other with second basin frame 12 and makes basin frame 1 wholly be equivalent to no technology breach structure, has avoided the problem that sound production inner chamber 10 and external (especially the back sound cavity that the sound production piece formed) are by the technology breach intercommunication to sound absorption granule entering sound production inner chamber 10 in having avoided the back sound cavity, has improved the acoustic performance and the reliability of sound production piece.
The magnetic yoke 31 comprises a magnetic yoke body 311 and a first positioning wall 312 and a second positioning wall 313 which are respectively protruded from the magnetic yoke body 311 to the basin stand 1. The first positioning wall 312 is matched with the first positioning slot 112, and the second positioning wall 313 is matched with the second positioning slot 122 to position the relative positions of the basin stand 1 and the magnetic yoke 31. The first positioning wall 312 is fixed in the first positioning groove 112 in a clamping manner, and the second positioning wall 313 is fixed in the second positioning groove 122 in a clamping manner, so that the magnetic circuit system 3 is fixed on the frame 1 through the magnetic yoke 31.
In this embodiment, because the first frame body 111 and the second frame body 121 jointly support the vibration system 2 and the magnetic circuit system 3, preferably, one end of the first frame body 111 close to the vibration diaphragm 21 is flush with one end of the second frame body 121 close to the vibration diaphragm 21, and thus the fixation stability and reliability of the vibration diaphragm 21 are better.
Specifically, the position of the end of the first frame body 111 away from the vibrating diaphragm 21, which corresponds to the second positioning slot 122, is flush with the slot bottom of the second positioning slot 122. That is, an end of the first frame body 111 away from the diaphragm 21 is closer to the diaphragm 21 than an end of the second frame body 121 away from the diaphragm 21. Since the second process notch 123 is lower than the bottom of the second positioning groove 122, the second process notch 123 is completely covered when the first frame body 111 is flush with the bottom of the second positioning groove 122.
One end of the second frame body 121, which is far away from the vibrating diaphragm 21, corresponding to the first positioning groove 112 completely covers the first positioning groove 112 along a direction perpendicular to the vibration direction, and because the first process notch 113 is lower than the groove bottom of the first positioning groove 112, the second frame body 121 completely covers the first process notch 113 when being flush with the groove bottom of the first positioning groove 112.
In this embodiment, the basin stand 1 is a rectangular structure, the first positioning groove 112 includes two and is located respectively the relative both sides of first basin stand body 111, the second positioning groove 122 includes two and is located respectively the relative both sides of second basin stand body 121, two first positioning groove 112 and two the second positioning groove 122 is located respectively the four sides of basin stand 1 to improve the stability of yoke 31.
The groove bottom of the first positioning groove 112 is closer to the vibrating diaphragm 21 than the groove bottom of the second positioning groove 122, that is, one side of the first frame body 111, which is far away from the vibrating diaphragm 21, is closer to the vibrating diaphragm 21 than one side of the second frame body 121, which is far away from the vibrating diaphragm 21, so that part of materials of the first frame 11 can be reduced relative to the second frame 12, and the production cost can be reduced.
Since the positions of the first positioning groove 112 and the second positioning groove 122 are not on the same plane, the second positioning wall 313 includes two and is respectively formed by two opposite sides of the yoke body 311 extending along the direction perpendicular to the vibration direction, and the first positioning wall 312 includes two and is respectively formed by two opposite sides of the yoke body 311 bending toward the direction close to the diaphragm 21.
The magnetic steel unit 32 includes a main magnetic steel 321 fixed to the magnetic yoke 31, a sub magnetic steel 322 surrounding the main magnetic steel 321 and forming the magnetic gap 20 with the main magnetic steel 321 at an interval, and a magnetic bowl 323 covering the main magnetic steel 321 and having a periphery abutting against and fixed to the sub magnetic steel 322.
The outer periphery of the second flange part 212 is fixed to the frame 1, and the inner periphery of the first flange part 211 is fixed to a side of the magnetic bowl 323 away from the secondary magnetic steel 322, so that the magnetic steel unit 32 is partially exposed out of the diaphragm 323, and the magnetic circuit system 3 is designed more flexibly.
Preferably, the magnetic circuit system 3 further includes a fixing ring 33, and the fixing ring 33 includes an annular ring body 331 sleeved on the periphery of the magnetic bowl 323, and a retaining wall 332 bent and extended inward from one end of the ring body 331 away from the magnetic yoke 31. The clamping wall 332 is pressed on one side of the magnetic bowl 323 far away from the magnetic yoke 31, and the inner periphery of the first folding ring 211 is fixed on the ring body 331, so that the fixing strength and reliability of the fixing ring 33 and the magnetic bowl 323 are improved. The frame 1, the diaphragm 21, the fixing ring 33, the magnetic bowl 323 and the magnetic yoke 31 jointly enclose the sounding cavity 10.
Specifically, the fixing ring 33 further includes a reinforcing wall 333 extending from one end of the ring 331 close to the yoke 31, the inner periphery of the first tab 211 is bent and extended along the reinforcing wall 333 to form an extending wall 214, and the extending wall 214 is attached and fixed to the reinforcing wall 333, so as to improve the structural fixing strength and reliability of the diaphragm 21 and the first tab 211 with the magnetic circuit system 3, and improve the stability.
Compared with the prior art, in the sounding device, the basin frame made of metal materials is designed to be of a double-basin-frame sleeving structure, the second basin frame body is sleeved on the first basin frame body, the second positioning groove and the first positioning groove are arranged in a completely staggered mode, the second basin frame body completely covers the first process notch along the vibration direction perpendicular to the vibrating diaphragm, and the first basin frame body completely covers the second process notch along the vibration direction perpendicular to the vibration direction.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.

Claims (10)

1.一种发声器件，其包括盆架、分别固定于所述盆架的振动系统和驱动所述振动系统振动发声的磁路系统，所述振动系统包括固定于所述盆架的振膜和驱动所述振膜振动发声的音圈，所述磁路系统包括固定于所述盆架远离所述振膜一侧的磁轭和固定于所述磁轭的具有磁间隙的磁钢单元，所述音圈插设于所述磁间隙内，所述盆架、所述振动系统及所述磁路系统共同围成发声内腔，其特征在于，所述盆架包括第一盆架和第二盆架：1. A sounding device comprising a basin frame, a vibration system fixed to the basin frame respectively and a magnetic circuit system that drives the vibration system to vibrate and emit sound, the vibration system comprising a vibrating membrane fixed to the basin frame and A voice coil that drives the vibrating membrane to vibrate and sound, and the magnetic circuit system includes a magnetic yoke fixed on the side of the basin frame away from the vibrating membrane and a magnetic steel unit with a magnetic gap fixed on the magnetic yoke. The voice coil is inserted in the magnetic gap, and the basin frame, the vibration system and the magnetic circuit system together form a sounding inner cavity, and it is characterized in that the basin frame includes a first basin frame and a second Basin stand: 所述第一盆架包括支撑固定所述振膜的第一盆架本体以及由所述第一盆架本体靠近所述磁轭的一端凹陷形成的第一定位槽，所述第一定位槽的槽底相对两端向远离所述磁轭的方向凹陷形成第一工艺缺口；The first pot frame includes a first pot frame body that supports and fixes the diaphragm, and a first positioning groove formed by a recessed end of the first pot frame body close to the magnetic yoke. The opposite ends of the groove bottom are recessed in a direction away from the magnetic yoke to form a first process gap; 所述第二盆架包括与所述第一盆架本体共同支撑固定所述振膜的第二盆架本体以及由所述第二盆架本体靠近所述磁轭的一端凹陷形成的第二定位槽，所述第二定位槽的槽底相对两端向远离所述磁轭的方向凹陷形成第二工艺缺口；The second pot frame includes a second pot frame body that supports and fixes the vibrating film together with the first pot frame body, and a second positioning formed by the concave end of the second pot frame body close to the magnetic yoke a groove, wherein opposite ends of the groove bottom of the second positioning groove are recessed in a direction away from the magnetic yoke to form a second process gap; 所述第二盆架本体套设于所述第一盆架本体远离所述磁路系统的一侧，所述第二定位槽与所述第一定位槽沿垂直于所述振膜振动方向完全错位设置，并使得所述第二盆架本体沿垂直于所述振膜的振动方向完全覆盖所述第一工艺缺口以及使得所述第一盆架本体沿垂直于所述振动方向完全覆盖所述第二工艺缺口；The second basin frame body is sleeved on the side of the first basin frame body away from the magnetic circuit system, and the second positioning groove and the first positioning groove are completely perpendicular to the vibration direction of the diaphragm. Displacement arrangement, so that the second pot frame body completely covers the first process notch along the vibration direction perpendicular to the vibrating membrane and the first pot frame body completely covers the vibration direction perpendicular to the vibration direction. The second process gap; 所述磁轭包括磁轭本体以及由所述磁轭本体分别向所述盆架凸出延伸的第一定位壁和第二定位壁，所述第一定位壁与所述第一定位槽配合且所述第二定位壁与所述第二定位槽配合定位所述盆架与所述磁轭的相对位置。The magnetic yoke comprises a magnetic yoke body, a first positioning wall and a second positioning wall respectively protruding and extending from the magnetic yoke body to the basin frame, the first positioning wall is matched with the first positioning groove and The second positioning wall cooperates with the second positioning groove to locate the relative position of the basin frame and the magnetic yoke. 2.根据权利要求1所述的发声器件，其特征在于，所述第一盆架本体靠近所述振膜的一端与所述第二盆架本体靠近所述振膜的一端平齐。2 . The sound-generating device according to claim 1 , wherein an end of the first pot frame body close to the diaphragm is flush with an end of the second pot frame body close to the diaphragm. 3 . 3.根据权利要求1所述的发声器件，其特征在于，所述第一盆架本体远离所述振膜的一端对应所述第二定位槽的位置与所述第二定位槽的槽底平齐。3 . The sound-generating device according to claim 1 , wherein the position of the end of the first basin frame body away from the vibrating membrane corresponds to the position of the second positioning groove and the groove bottom of the second positioning groove is flat. 4 . together. 4.根据权利要求3所述的发声器件，其特征在于，所述第二盆架本体远离所述振膜的一端对应所述第一定位槽的位置沿垂直于所述振动方向完全覆盖所述第一定位槽。4 . The sound-generating device according to claim 3 , wherein the end of the second pot frame body away from the vibrating membrane corresponds to the position of the first positioning groove and completely covers the vibration direction. 5 . The first positioning groove. 5.根据权利要求4所述的发声器件，其特征在于，所述盆架呈矩形结构，所述第一定位槽包括两个且分别位于所述第一盆架本体的相对两侧，所述第二定位槽包括两个且分别位于所述第二盆架本体的相对两侧，两个所述第一定位槽及两个所述第二定位槽分别位于所述盆架的四边。5 . The sound-generating device according to claim 4 , wherein the basin frame has a rectangular structure, the first positioning grooves comprise two and are respectively located on opposite sides of the first basin frame body, and the The second positioning grooves include two and are respectively located on opposite sides of the second basin frame body, and the two first positioning grooves and the two second positioning grooves are respectively located on four sides of the basin frame. 6.根据权利要求5所述的发声器件，其特征在于，所述第一定位槽的槽底较所述第二定位槽的槽底更靠近所述振膜；所述第二定位壁包括两个且分别由所述磁轭本体的相对两侧沿垂直于所述振动方向延伸形成，所述第一定位壁包括两个且分别由所述磁轭本体的另相对两侧向靠近所述振膜方向弯折形成。6 . The sounding device according to claim 5 , wherein the groove bottom of the first positioning groove is closer to the diaphragm than the groove bottom of the second positioning groove; the second positioning wall comprises two The first positioning walls include two and are respectively formed by two opposite sides of the yoke body extending perpendicular to the vibration direction. The film is formed by bending in the direction. 7.根据权利要求1所述的发声器件，其特征在于，所述振膜包括呈环状的第一折环部、环绕所述第一折环部并间隔设置的第二折环部以及呈环状的球顶；所述磁钢单元包括固定于所述磁轭的主磁钢、环绕所述主磁钢并与所述主磁钢间隔形成所述磁间隙的副磁钢以及盖设于所述主磁钢且其周缘抵接固定于所述副磁钢的磁碗；所述第二折环部的外周缘固定于所述盆架，所述第一折环部的内周缘固定于所述磁碗远离所述副磁钢的一侧并使得所述磁钢单元部分外露于所述振膜；所述球顶的内周缘与所述第一折环部的外周缘连接，所述球顶的外周缘与所述第二折环的内周缘连接。7 . The sound-generating device according to claim 1 , wherein the diaphragm comprises a ring-shaped first ring portion, a second ring portion surrounding the first ring portion and arranged at intervals, and a ring-shaped first ring portion. 8 . an annular dome; the magnetic steel unit includes a main magnetic steel fixed on the yoke, a secondary magnetic steel that surrounds the main magnetic steel and is spaced from the main magnetic steel to form the magnetic gap, and a cover disposed on the main magnetic steel. The main magnetic steel and its peripheral edge abut on the magnetic bowl fixed on the secondary magnetic steel; the outer peripheral edge of the second folding ring part is fixed on the basin frame, and the inner peripheral edge of the first folding ring part is fixed on the The magnetic bowl is away from the side of the secondary magnetic steel so that the magnetic steel unit is partially exposed to the diaphragm; the inner peripheral edge of the spherical top is connected to the outer peripheral edge of the first folding ring portion, and the The outer peripheral edge of the spherical top is connected with the inner peripheral edge of the second folding ring. 8.根据权利要求7所述的发声器件，其特征在于，所述振动系统还包括骨架，所述骨架一端连接至所述球顶，其另一端延伸至所述磁间隙内，所述音圈支撑固定于所述骨架。8 . The sound-generating device according to claim 7 , wherein the vibration system further comprises a skeleton, one end of the skeleton is connected to the dome, the other end of the skeleton extends into the magnetic gap, and the voice coil The support is fixed to the frame. 9.根据权利要求8所述的发声器件，其特征在于，所述磁路系统还包括固定环，所述固定环包括套设于所述磁碗周侧的呈环状的环体、由所述环体远离所述磁轭一端向内弯折延伸的卡壁；所述卡壁压设于所述磁碗远离所述磁轭的一侧，所述第一折环的内周缘固定于所述环体，所述盆架、所述振膜、所述固定环、所述磁碗以及所述磁轭共同围成所述发声内腔。9 . The sound-generating device according to claim 8 , wherein the magnetic circuit system further comprises a fixing ring, and the fixing ring comprises a ring-shaped ring body sleeved on the peripheral side of the magnetic bowl and formed by the A clamping wall extending inwardly at one end of the ring body away from the magnetic yoke; the clamping wall is pressed and arranged on the side of the magnetic bowl away from the magnetic yoke, and the inner periphery of the first folding ring is fixed on the side of the magnetic bowl. The ring body, the basin frame, the diaphragm, the fixing ring, the magnetic bowl and the magnetic yoke together form the sounding inner cavity. 10.根据权利要求9所述的发声器件，其特征在于，所述固定环还包括由所述环体靠近所述磁轭的一端延伸的加强壁，所述第一折环的内周缘沿所述加强壁弯折延伸形成延伸壁，所述延伸壁贴合固定于所述加强壁。10 . The sound-generating device according to claim 9 , wherein the fixing ring further comprises a reinforcing wall extending from one end of the ring body close to the magnetic yoke, and the inner periphery of the first folding ring is along the The reinforcement wall is bent and extended to form an extension wall, and the extension wall is fitted and fixed to the reinforcement wall.
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